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NMR and ^14^N NQR spectra. Structure of the crystalline products from the nitrosation of phosphorylacetaldehydes by Valeriy A. Pavlov; John A. S. Smith; Tatjana A. Zjablikova is a Chemistry article available to read on EtoBox.

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## Abstract ^14^N NQR and NMR spectroscopy were used to show that, in the solid phase, the products of nitrosation of phosphorylacetaldehydes are a mixture of dimers of 1‐(dialkoxyphosphoryl)‐1‐nitrosoethen‐2‐ols and dialkoxyphosphorylacetaldnitrones. The stabilization of the nitrone form is probably made possible by a high degree of conjugation and by the way the dimeric molecules are packed in the crystal, which causes them to be held in fixed positions. When the dimeric 1‐(dialkoxyphosphoryl)‐1‐nitrosoethen‐2‐ols and dialkoxyphosphorylacetaldnitrones are dissolved, they undergo aldo‐enol, nitroso‐oxime and nitrone‐oxime tautomerism, converting gradually into monomeric aldehyde oximes which exist in E‐ and Z‐isomeric forms. The ratios of dimeric nitroso‐enol, nitrone‐enol and monomeric aldehyde oxime forms can be measured by NMR and depend on the solvent, concentration and temperature.

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Author

Valeriy A. Pavlov; John A. S. Smith; Tatjana A. Zjablikova

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; John Wiley and Sons Ltd; Wiley (ISSN 0749-1581)

Published

1992

Language

EN

Field

Chemistry (Physical Sciences)